12172161207016 has 32 divisors (see below), whose sum is σ = 22844267792640. Its totient is φ = 6080357659648.

The previous prime is 12172161207007. The next prime is 12172161207137. The reversal of 12172161207016 is 61070216127121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87194025 + ... + 87333511.

It is an arithmetic number, because the mean of its divisors is an integer number (713883368520).

Almost surely, 2^{12172161207016} is an apocalyptic number.

It is an amenable number.

12172161207016 is a deficient number, since it is larger than the sum of its proper divisors (10672106585624).

12172161207016 is a wasteful number, since it uses less digits than its factorization.

12172161207016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149673 (or 149669 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 12172161207016 in words is "twelve trillion, one hundred seventy-two billion, one hundred sixty-one million, two hundred seven thousand, sixteen".